Results 101 to 110 of about 3,782 (206)

Estudi de la població d’un equinoïdeu irregular de l’Aptià de la subconca del Penyagolosa (serralada Ibèrica oriental) [PDF]

open access: yes, 2012
S’ha avaluat l’estructura d’edat d’una població d’un equinoïdeu irregular, Pliotoxaster sp. L’estudi s’ha fet mitjançant una mostra aleatòria d’un jaciment de l’Aptià inferior, de la subconca del Penyagolosa, conca del Maestrat, Serralada Ibèrica ...
Adelantado, Jorge   +3 more
core  

Paleoecología de la malacofauna de bivalvos del Mioceno superior de Cacela (SE Portugal) [PDF]

open access: yes, 2007
El interés por el yacimiento fósil de la Ribera de Cacela (SE Portugal) se remonta al siglo pasado y se centra principalmente en la gran riqueza y diversidad de la fauna malacológica, siendo de destacar el excelente estado de conservación que éstas ...
Mayoral Alfaro, Eduardo, Santos, A.
core  

Heavy metals in the rock oyster Crassostrea iridescens (Filibranchia: Ostreidae) from Mazatlan, Sinaloa, Mexico

open access: yesRevista de Biología Tropical, 1999
Two populations of Crassostrea iridescens were sampled off Mazatlan and in a zone free of anthropogenic activity. The bivalves were collected from February 1992 to February 1993.
Martín G Frías-Espericueta   +3 more
doaj  

Análise do diâmetro dos oócitos de duas espécies do gênero Crassostrea durante o período reprodutivo [PDF]

open access: yes, 2015
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Agrárias. Curso de Engenharia de Aquicultura.A reprodução é um dos mais importantes processos fisiológicos no ciclo de vida de qualquer espécie de bivalves.
Soares, Iasmin
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Chromosome-level reference genome for European flat oyster (Ostrea edulis L.). [PDF]

open access: yesEvol Appl, 2022
Gundappa MK   +7 more
europepmc   +2 more sources

Study on the induced maturation of the Indian pearl oyster Pinctada fucata (Gould) at Tuticorin, Tamil Nadu, India [PDF]

open access: yes, 2011
In the induced maturation experiments of the pearl oyster Pinctada fucata (Gould), 7.5 ± 3.54%, 6.67% and 15 ± 7.07% fully mature pearl oysters were obtained on day 43, 42 and 36 in oysters fed with mixed algae (T-1), mixed algae and raw corn flour (T-2),
Menon, N R, Pillai, V K, Velayudhan, T S
core  

Population dynamics of the tropical oyster Magallana bilineata (Mollusca, Bivalvia, Ostreidae) in Mengkabong Bay, Tuaran, Malaysia

open access: yesAquaculture and Fisheries
Knowledge about the population dynamics within a specific spatial area is vital for the effective planning and management of important fishery resources. Population parameters, including the asymptotic length (L∞), growth coefficient (K), mortalities (Z,
Joanna W. Doinsing, Julian Ransangan
doaj   +1 more source

Reproductive studies on the short neck clam Paphia malabarica (Chemnitz) from Dharmadom Estuary, Kerala, India [PDF]

open access: yes, 2013
Maturation and spawning of the short neck clam Paphia malabarica was studied from Dharmadom Estuary, in northern Kerala, India. The breeding season was from October to February, with peak spawning in November and December.
Thomas, Sujitha
core  

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